Railway draft-rigging.



C. B. PATCH. RAILWAY DRAFT RIGGING. APPLICATION FILED 1m. 31. I916.

Patented Man. 12, 1918.

2 SHEETS SHEET 1 i1 Q A TTORNE Y IVl' YNESSCL.

C. B. PATCH. RAILWAY DRAFT RIG APPLICATION FILED GING- N.3I. I916.

Patent ed Mar. 12, 1918.

D 9 a if,

1m 'ENTOR;

W1 TNESSES UNITED STATES PATENT OFFICE.

CALVIN B. PATCH, F GLENELLYN, ILLINOIS, ASSIGNOR TO WILLIAM H. MINER, OF

CHAZY, NEW YORK. I

RAILWAY DRAFT-BIGGING.

T 0 all whom it may concern:

Be it known that I, CALVIN B. PATCH, a citizen of the United States, residing at Glenellyn, in the county of Dupage and State of Illinois, have invented a certain new and useful Improvement in Railway Draft-Riggings, of which the following is a full, clear, concise, and exact description, reference being had to the accompanying drawin s, forming a part of this specification.

his invention relates to improvements in railway draft riggings.

One ob'ect of ,the invention is to provide a draft rigging 'wherein a single casting is employed to which are transmitted either directly or indirectly all the bufling and pulling shocks.

Another, and more specific object of the invention, is to provide a draft rigging wherein is employed a twp part yoke in combination with a friction gear.

- The invention, furthermore, consists in the improvements in the parts and devices and in the novel combinations of the parts and dev ces as herein shown, described or claimed.

In thedrawing forming a part of this specification, Figure 1 is a longitudinal,

vertical, sectional view of a draft rigging showing my improvement in connection therewith. Fig. 2 is a horizontal, sectional View of the structure illustrated in Fig. I and taken substantially on line 22 thereof. And Figs. 3 and 4 are vertical, transverse, sectional views taken substantially on the lines 3.3 and. 4 4, respectively, of Fig. 1. 'In said drawing, 10 denote channel 'shapedcenter or draft sills to which is secured a' box-like, rear stop casting A, more particularly hereinafter described. mally abutting said casting A is a friction ear B of a well known type, said gear 13 eing operatively connectedto the draw bar 11 by means of a two part yoke C-C, the latter being provided with elongated slots 12 to receive a coupler key 13, the ends of the latteralso sliding in. elongated slots 14 in the center sills. Another yoke 15 is em ploved to actas a. front stop for the gear in pulling movements, as hereinafter described. Referring now more particularly to the casting A.,-the same is provided with an upper wa1l'16, lower wall 17, side walls 18 v18 riveted to the sills, front vertical f ca 19, and upper and lower longitudinally ex- Speciflcatlon of Letters Patent.

Nor-

Patented Mar. 12,1913.

Application filed January 31, 1916. Serial No. 75,293.

tending slots 20-20 in which are received the rear ends of the arms of the yoke 15. Suitable alined slots are provided in the upper and lower sets of walls of the casting A to receive the key 21, the latter also pass ing through suitable elongated slots 22 in the arms of the yoke 15. Said key 21 may be held in position by any suitable means such as the wedge shaped cotter 23 which passes through suitable transverse perforations in a depending boss 26 on the underside of the casting A. By referring to Fig. .2, it will be seen that the casting A is recessed at the front corners thereof, as indicated at 27, to thereby accon'unodatc the rear portions of the yoke members C-C.

The friction gear B is of that type wherein is employed a casting having a friction shell or cylinder 28 andintegral, twin spring casing 29, the latter having mounted therewithin horizontal, twin arranged springs 30 and the shell 28 having mounted therewithin a plurality of friction shoes 31 and wedge I a slot 12, as hereinbefore described. The

yoke members fit over the spring casing29 and readily clear the c linder or shell 28, as clearly appears from Figsr2 and 3.

The operation is as follows. In buff, the

. drawba-r presses a gainstthe yoke 15 moving the latter rearwardly and thus actuating the friction mechanism, since the combined shell and easing 28-29 is prevented from rear ward movement by the casting A. Upon draft, the yoke 15 is prevented from forward movement by the key 21 so that as the draw bar moves forwardly with the two part yoke C-C, the friction shell and easing 28-29 slides forwardly relatively to the wedge and shoes of the friction mechanism, thereby absorbing the shock. as will be understood.

With the construction herein before de- I vertically.

scribed, only one casting is necessary, the same being so arranged that it securely braces the sills. All the parts are readily removable .and by employinga two part yoke I am enabled to use a key connection with the coupler and at the same time the yoke members C-C are independently longitudinally movable to thereby accommo date themselves to the movements of the coupler when the latter is "swung radially as occurs when the cars curved tracks.

I claim:

1-. In a draft rigging, the combination with draft sills, of a rear stop memberse cured thereto, a shock absorbing mechanism, a draw bar, means connected with said stop member to prevent forward movement of the front member of said mechanism under draft, and means for connecting said mecha nism with the draw bar under draft, comprising a two part yoke, one part at each side of sald mechanism, each part 1nclud1ng 2. In a'draft rigging, the combination with draft sills, of a rear stop member secured thereto, a friction gear having a friction shell. friction shoes and awedge c0 operable therewith and a spring cage, a draw bar,'means attached tosaid stop member arranged. to prevent forward movement of the front member of said friction mechanism under draft, and a two part yoke c0nnccting said friction mechanism with said draw bar, and operating said mechanism under a draft, each part including a loop arranged 3. In a draft rigging, the combination with draft sills, of a stop casting secured thereto, a shock absorbing mechanism abutting said casting,,a vertically arranged yoke encircling said mechanism and having the ends 'of its arms keyed to said casting, a draw bar, and a two part vertical yoke connecting said mechanism with said draw bar,

. the members of saidtwo-part yoke being mountedbetween said sills,

located outside of the first named yoke.

4'. In a draft rigging, the combination with draft sills and a draw bar member, of a rear stop member mounted between and secured to said sills,a cushioning device and three vertically arranged loop-shaped elements within which said cushioning device is located,

are traveling over two of said loop-shaped elements bein extended in one direction and the third in the opposite direction, two of said loop-shaped elements being adapted to be keyed to one of said members and the third element to the other of said members.

5. A stop casting for draft riggings, comprising a substantially hollow boxlike memer adapted to have the side walls thereof secured to the sills, said member being provided with upper and lower longitudinally arranged slots adapted to receive, the arms of a yoke, said casting having a bearing face on the front side thereof.

6. A stop casting for draft riggings, comprising a substantially hollow boxlike member adapted to have the side walls thereof secured to the sills, said member bein pro vided with upper and lower longitudinally arranged slots adapted to receive thearms of a yoke, said casting having a bearing face on the front side thereof, and recessed at the front corners, said casting being also provided with vertically arranged slots to receive a connecting key.

7.-In a draft rigging for railway cars,

mechanism with adraw bar under draft said means mcluding a two part yoke each part being recessed to thereby loop over said spring casing.

8. In. a draft rigging for ra lway cars, the L combination with draft sills and a rear stop casting secured thereto, of a cushioning device mounted between said sills, a draw bar, a pair of vertically arranged loop-shaped elements keyed to said draw bar and which said cushioning device is located, and

a third loop-shaped member mounted between said other two member and keyed at its rear end to saidcastmg.

.In witness that I claim the foregoing I have hereunto subscribed myname this 30th day of Jan. 1916.

CALVIN B. PATCH.

within as Y 

